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£70+ Cheap flights from San Francisco

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — LHR
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from San Francisco within your budget

 
Find flights departing from San Francisco that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 30/4

12:55-16:40

1 stop19h 45m

London Stansted

Mon 4/5

10:50-16:40

1 stop37h 50m

£596

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Thu 30/4

19:55-11:20

2 stops31h 25m

London Gatwick

Sun 10/5

21:15-14:35

2 stops49h 20m

£600

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Thu 9/4

19:55-00:50

2 stops20h 55m

London Luton

Mon 20/4

13:00-14:35

2 stops33h 35m

£605

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 29/4

19:30-18:45

1 stop15h 15m

Glasgow Intl

Mon 11/5

17:40-13:50

1 stop28h 10m

£619

San FranciscoBirmingham

SFO - BHX

SFOBHX

San Francisco

Mon 14/9

11:30-13:40

2 stops18h 10m

Birmingham

Wed 30/9

09:20-22:55

2 stops21h 35m

£623

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 12/5

12:46-14:40

2 stops17h 54m

Glasgow Intl

Wed 20/5

06:25-13:50

1 stop15h 25m

£623

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 10/8

21:45-23:20

2 stops17h 35m

Glasgow Intl

Thu 20/8

12:40-22:39

2 stops17h 59m

£623

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Mon 6/4

13:45-18:30

1 stop20h 45m

London City

Tue 14/4

20:15-11:45

1 stop23h 30m

£624
Fastest return journey

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 2/4

07:25-06:45

1 stop15h 20m

London Heathrow

Wed 8/4

06:30-11:45

1 stop13h 15m

£624

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 6/4

12:55-22:50

2 stops25h 55m

London Luton

Mon 13/4

08:15-10:50

2 stops34h 35m

£625

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Francisco

Have a flexible travel schedule? Discover the best time to fly from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco

Get recent, data-driven insights about flights from San Francisco including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Francisco?

Use this chart to determine the optimal time to book a return flight from San Francisco to Heathrow. Price data was last updated on 13 March 2026.

Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco?

Currently, October is the cheapest month in which you can book a flight from San Francisco (average of £373). Flying from San Francisco in June will prove the most costly (average of £522). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from San Francisco?

Use this chart to determine the cheapest time to fly return from San Francisco to Heathrow. Price data was last updated on 14 March 2026.

Those who are seeking the cheapest fare on flights departing from San Francisco would be wise to consider leaving during Tuesday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Friday at midday when fares are usually the most expensive.

Which airlines fly from San Francisco?

Many airlines operate round-trip flights from San Francisco: Virgin Atlantic, United Airlines, British Airways, Lufthansa, KLM. These airlines fly to the following popular destinations: London.

United Airlines
United Airlines
From £185
Virgin Atlantic
Virgin Atlantic
From £371
Alaska Airlines
Alaska Airlines
From £45
Frontier
Frontier
From £39

What are popular destinations to fly to from San Francisco?

If you’re flying from San Francisco, these routes are more frequently taken by airlines New York (1,706 flights per day), Chicago (868 flights per day) and Los Angeles (851 flights per day).

London
London
From £232
New York
New York
From £118
Los Angeles Los Angeles
Los Angeles Los Angeles
From £25
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £32

What is the cheapest place to fly to from San Francisco?

The cheapest city to fly to from San Francisco is Los Angeles Los Angeles, with prices starting at £25. Explore other affordable destinations below.

Los Angeles Los Angeles
Los Angeles Los Angeles
From £25
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £32
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From £54
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £74

Airline reviews for flights from San Francisco

Get insights into the airlines that provide service from San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Francisco. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown KLM,Virgin Atlantic, andUnited Airlines from San Francisco to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
685 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,463 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,863 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,813 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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Related info for your journey

Access useful and relevant information related to your journey from San Francisco. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 March 2026.

  • What are the most popular destinations to fly to from San Francisco?

    This month, the top selected destinations from San Francisco are Boston, Mumbai, Bengaluru. Throughout the year, Mumbai, Bengaluru, Boston are some of the top choices made by users flying from San Francisco.

  • What is the cheapest flight from San Francisco to anywhere?

    Users have flown out of San Francisco for as low as £21 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for £446 to fly from San Francisco.

  • What are the cheapest airlines flying from San Francisco to anywhere?

    Over the past few days, we've found that Frontier, Alaska Airlines, and Southwest have the cheapest prices from San Francisco. Frontier flights from San Francisco to Atlanta Hartsfield-Jackson (£39), Alaska Airlines flights from San Francisco to Honolulu (£45), and Southwest flights from San Francisco to Los Angeles Los Angeles (£58).

  • What is the cheapest premium economy flight from San Francisco?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from San Francisco.
    San Francisco to Seattle from £230
    San Francisco to Boston from £433
    San Francisco to Detroit Metropolitan Wayne County Airport from £471
    San Francisco to Portland from £529

  • What is the cheapest first class flight from San Francisco?

    If you’re looking for a cheap first-class flight from San Francisco, consider Los Angeles. Prices start at £256 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from San Francisco?

    At the present moment the cheapest month to fly from San Francisco is currently October; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Francisco?

    Check out the cheapest flights from San Francisco to embark to:
    Travel from San Francisco to London from £415 round trip
    Travel from San Francisco to Glasgow from £496 round trip
    Travel from San Francisco to Edinburgh from £536 round trip

  • How does Cheapflights help users find flights from San Francisco?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Francisco?

    Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from San Francisco with no change fees?

    Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

    Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco?

Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco with no change fees?

Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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